Improvement in machines for hulling grain



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vIMPROVEMENT IN MACHINES FOR HULLING GRAIN.

Specification forming part of Letters Patent No. 159,461, dated February 2, 1875; application filed January 18,1875.

To all whom it may concern:

Be it known that I, CHARLES ScHAscHUE, of Rondout, in the county of Ulster land State of New York, have invented certain new and useful Improvements in Grain-Hulling Machines; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form part of this specii'ication.

The nature of my invention consists in the construction and arrangement of a machine for peelingor hulling grain, to be used at grain- ;nills, as will be hereinafter more fully set 'ort In order to enable'others skilled in the art to which my invention appertains to make and use the same, I will now proceed to describe ,its construction and operation, referring to the annexed drawing, in Which- Figure l is a plan view of my machine. Fig. 2is a longitudinal vertical section of the same.

Fig. 3 is a transverse vertical section through the line x w, Fig. 2.' Fig. 4. is a bottom view of the upper or stationary stone. Fig. 5 is a bottom View of the lowery or running stone. Fig. 6 is a vertical section through the line y y,rig.2.

A represents the frame of my machine, constructed in any suitable manner to contain the various working parts. In the top of the frame is the hopper B, to hold the grain of whatever kind that is to be passed through the machine. The hopper is inserted in the eye of the upper stone, G, which is attached to,'and supported by, suitable cross-bars in the frame. The lower stone, D, is fastened on a vertical shaft, E, the lower end of which rests on a step at a, and the upper end passes through the eye of the stone C, and through the hopper, and has its bearing in a crossbar, b, at the top of the frame. The contiguous surfaces of the two stones C and D are made of wire pins d, set vertically. This Vis done by rolling a sheet of wire screen until a sufficient diameter is obtained, which Ais then inserted in a metal casing, and fastened therein to form the stone or burr. Around the stones G D is a curb, G, and on the under side of said curb is formed a fan-case, H, in which fans le e work, said fans being attached, in a radial position, to the under side of the under stone, D. The curb G and fan-case H are attached to a vertically-sliding frame, I, on the bottom cross-bar of which the step a is formed or attached. This frame rests upon a lever, J, which is operated by means of a screw-rod, f, and hand-wheel h, for raising and lowering the frame, whereby the distance between the stones is easily regulated. The shaft E is provided with a band-wheel or pulley, K, to he run by a belt from the usual connection at mills. From the front of the curb Gr extends a conductor, L, to a funnel, M, on the finisher; 7 and from near the lower endA of the conductor a pipe, N, extends in an inclined direction up to a jacket, 0, surrounding thel shaft E, and projecting up into the center of the fancase H. The finisher consists of a cylindrical case, P, with wire-cloth c' on top, attached to a frame, R, the outer end of which rests on the end of the main frame A, and the inner end upon the lower bar of the vertically-sliding frame I, so as to be raised or lowered with the same. The cylinder or case P is, nearits outer end, provided with a vertical partition, la, of wire-cloth, the outer end forming a fancase, in which a fan, S, works, said fan being attached to a shaft, m, the outer end of which has its bearing in the frame R, while the inner end has its bearing in a lever, T, pivoted to the vertically-sliding frame I. The inner end of the shaft m is connected with the vertical shaft E by means of bevel-gear of frictionwheels a a', as shown in Fig. 2. The cylinder being adjustable with the frame carrying the shaft E,thepinions will always remain in gear, except when thrown out by the lever T, as shown. The screen c-in the nisher prevents the grain from entering the fan-compartment, and forms no impediment to the action of the blast. On the shaft m, within the main part of the cylinder or case P, is secured a cylinder, V, provided upon its outer side with a series of longititudinal ribs or win gs, p p.

The grain, being poured into the hopper B, passes down around the shaft E, through the eye of the upper stone, G, and enters between the two stones, where its several coatings,

bristles, and ends are taken off. The grainpasses then, through the conductor L and funnel M, into the finisher P, where it is carried, on the cylinder V, between the ribs or wings p, around and against the screen t', which re-V moves iiner particles of the coating, when the grain passes out through a spout, c, underneath, and is ready to be taken off for grinding. 'Ihe husks, dust, Sto., are blown, by the action of the fan S, up through the funnel M, and through the dust and suction passage NO, into the case H, and out through an opening, w, in rear, the fans or wings e assisting in carrying them out.

In front ofthe curb G is a slide, a', the raising of which causes the grain to lie closer within the curb, and get a closer peeling, b is a slide on top of the rear end of the finisher, to regulate the blast from the fan S. The wire faces d ofthe inillstones manipulate the grain closer and leave it cleaner than is done by inachinery heretofore employed, and iour made from wheat cleaned by this machine will be pure white. The wire faces will wear constantly for one year, more or less, without change; then reverse the belt. They turn then in the opposite direction, and will wear for another year, and so on new ones not heilig needed for perhaps twenty years.

The finishing or cleaning apparatus is con= venient, and easily adjusted and regulated.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combination of the shaft E, stone D, case H, curb G, and vertically-sliding frame I, operated by means of the lever J, screw-rod f, and hand-wheel h, substantially as and for the purposes herein set forth.

2. The combination, with stones C D, wings e, curb Gr, and case H, of the conductor L, tube N, jacket O, polisher consisting of cylinder P V, and fan S, al1 as and for the purposes set forth.

3. rIhe combination of the adjustable cylinder P, with screen-roof t', shaft m, interior wire screen 7c, fan S, and cylinder V, with ribs or wings p, all substantially as and for the pur poses herein set forth.

In testimony that I claim the foregoing as my own I aix my signature in presence of two witnesses.

CHARLES SCHASGHUE. Witnesses:

JAMES McCann, FREDERICK WOLF. 

